| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] known for a long time | 8 |
|
| 2 | be known for a long time | 8 |
|
| 3 | [be] known for a long time | 8 |
|
| 4 | [be] known for a long time | 8 |
|
| 5 | been known for a long time | 8 |
|
